Lyons is located in Boulder county Colorado with a geographic area of 1.3 square miles. The total population in Lyons is 2,302 with 50.8% male and 49.2% female. Children under age 5 represent 2.9% of the population, under age 18 equal 23.2% of the population and over age 65 is 11.2% of the population. The median household income is $106,743, per capita income is $47,950. There are a total of 861 housing units with 78.6% owner occupied. Education includes 5.8% of residents that are high school graduates and 73.2% with a bachelor's degree or higher. The average temperature in Lyons in the summer is 68 degrees, and in the winter 29 degrees.